Propulsion control device

Abstract

A propulsion control device of the present disclosure includes: a housing; a gate controller disposed at one end side of an interior space of the housing in a longitudinal axis direction X, the gate controller being configured to control a power converter; a fan disposed under the gate controller, the fan being configured to feed air to the gate controller; and an airflow guide member disposed at the side opposite to the fan relative to the gate controller, having, on an interior face of a ceiling of the housing, an airflow guide face having a predetermined angle with respect to the vertical direction, the airflow guide member being configured to guide air passed through the gate controller to flow toward the other end side of the interior space of the housing in the longitudinal axis direction X.

The invention claimed is: 
     
       1. A propulsion control device comprising:
 a housing; 
 a gate controller disposed at one end side of an interior space of the housing in a longitudinal axis direction, the gate controller being configured to control a power converter; 
 a fan disposed under the gate controller, the fan being configured to feed air to the gate controller; 
 an airflow guide member positioned relative to the gate controller at a side opposite to that of the fan, arranged at an interior face of a ceiling of the housing, and having an airflow guide face having a predetermined angle with respect to a vertical direction, the airflow guide member being configured to guide air passed through the gate controller to flow in a direction of airflow toward another end side of the interior space of the housing in the longitudinal axis direction; and 
 a plurality of wires led, from the gate controller toward the airflow guide member, to the side opposite to the direction of airflow and toward a ceiling side, the air passed through the gate controller being guided by the airflow guide member, wherein 
 the airflow guide member is a reinforcing beam including (i) a first member having the airflow guide face, and (ii) a second member extending toward the interior face of the ceiling and continuing from an end portion of the first member, the end portion being opposite to a side abutting against the ceiling, and 
 the first member and the second member of the airflow guide member each has a support hole to support the wires with the wires inserted therethrough. 
 
     
     
       2. The propulsion control device according to  claim 1 , wherein
 the airflow guide face has a base-end portion disposed near the ceiling, and a tip portion disposed at a side apart from the ceiling, and 
 the predetermined angle is an angle tilted, relative to the vertical direction, so that the tip portion is positioned closer to the one end side in the longitudinal axis direction than the base-end portion. 
 
     
     
       3. The propulsion control device according to  claim 2 , further comprising:
 an airflow straightening component disposed at a position further to the other end side of the interior face of the ceiling in the longitudinal axis direction than the airflow guide member, the airflow straightening component being configured to guide air passed through the gate controller and the airflow guide member further toward the other end side in the longitudinal axis direction. 
 
     
     
       4. The propulsion control device according to  claim 1 , wherein
 the predetermined angle is an angle parallel to the vertical direction, and 
 the airflow guide face is disposed at a position closer to the one end side in the longitudinal axis direction than a position on the ceiling corresponding to the fan is to the one end side in the longitudinal axis direction. 
 
     
     
       5. The propulsion control device according to  claim 4 , further comprising:
 an airflow straightening component disposed at a position further to the other end side of the interior face of the ceiling in the longitudinal axis direction than the airflow guide member, the airflow straightening component being configured to guide air passed through the gate controller and the airflow guide member further toward the other end side in the longitudinal axis direction. 
 
     
     
       6. The propulsion control device according to  claim 1 , further comprising:
 an airflow straightening component disposed at a position further to the other end side of the interior face of the ceiling in the longitudinal axis direction than the airflow guide member, the airflow straightening component being configured to guide air passed through the gate controller and the airflow guide member further toward the other end side in the longitudinal axis direction. 
 
     
     
       7. The propulsion control device according to  claim 6 , wherein
 the airflow straightening component is a plurality of airflow straightening components, and 
 the airflow straightening components project downward from the ceiling. 
 
     
     
       8. The propulsion control device according to  claim 7 , wherein spacing between the airflow straightening components increases as the airflow straightening components are apart from the airflow guide member. 
     
     
       9. The propulsion control device according to  claim 7 , wherein the airflow straightening component has a wave-like shape. 
     
     
       10. The propulsion control device according to  claim 6 , wherein
 the airflow straightening component is a plurality of airflow straightening components, 
 the airflow straightening components are disposed in parallel to the longitudinal axis direction and are formed by overlapping, in a thickness direction of the airflow straightening component, a plurality of airflow straightening members projecting downward from the ceiling, and 
 the ceiling is formed by planar arrangement of coupling members each interconnecting a pair of the airflow straightening members that adjoin each other with an interval. 
 
     
     
       11. The propulsion control device according to  claim 10 , wherein the adjacent airflow straightening members that form the airflow straightening components have tip portions, the tip portions being welded together by edge connection structure. 
     
     
       12. The propulsion control device according to  claim 6 , wherein
 the airflow straightening component is a plurality of airflow straightening components, 
 the airflow straightening components are disposed in parallel to the longitudinal axis direction and are formed by overlapping, in a thickness direction of the airflow straightening component, a plurality of airflow straightening members projecting downward from the ceiling, and 
 coupling members each interconnecting a pair of the airflow straightening members that adjoin each other with an interval are fixed to the interior face of the ceiling. 
 
     
     
       13. A propulsion control device comprising:
 a housing; 
 a gate controller disposed at one end side of an interior space of the housing in a longitudinal axis direction, the gate controller being configured to control a power converter; 
 a fan disposed under the gate controller, the fan being configured to feed air to the gate controller; and 
 an airflow guide member positioned relative to the gate controller at a side opposite to that of the fan, arranged at an interior face of a ceiling of the housing, and having an airflow guide face having a predetermined angle with respect to a vertical direction, the airflow guide member being configured to guide air passed through the gate controller to flow in a direction of airflow toward another end side of the interior space of the housing in the longitudinal axis direction; and 
 a plurality of wires led, from the gate controller toward the airflow guide member, to the side opposite to the direction of airflow and toward a ceiling side, the air passed through the gate controller being guided by the airflow guide member, wherein the airflow guide member has a placement hole in which an interchange connector to be connected to the wires is disposed. 
 
     
     
       14. The propulsion control device according to  claim 13 , wherein
 the airflow guide member is a reinforcing beam including (i) a first member having the airflow guide face, and (ii) a second member extending toward the interior face of the ceiling and continuing from an end portion of the first member, the end portion being opposite to a side abutting against the ceiling.